<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        div {
            padding: 8px 0px;
            font-size: 12px;
            text-align: center;
            border: 1px solid #888;
        }
    </style>
    <script src="lib/js/jquery.js"></script>
    <script>
        $(document).ready(function() {
            $("#div_1").html("Hello");
        })
    </script>
</head>

<body>
    <div id="div_1"></div>
</body>

</html>